Fix some more U tests ...

src/main/java/redis/clients/jedis/Connection.java

@@ -164,6 +164,9 @@ public class Connection {
 
     public List<String> getMultiBulkReply() {
     	final List<byte[]> bresult = getBinaryMultiBulkReply();
+    	if(null == bresult) {
+    		return null;
+    	}
     	final ArrayList<String> result = new ArrayList<String>(bresult.size());
     	for(final byte[] barray : bresult) {
     		result.add(new String(barray, Protocol.UTF8));